Yeogosaengwanghu

Cheongha Kim, a legendary swordswoman from the Joseon era, awakens centuries later in the body of Dajin Park, a quiet high school student. Armed with deadly combat skills, Cheongha must face school bullies, navigate the chaos of modern-day life, and find her place in a world far different from her own. The halls of Juwon High are about to meet a warrior unlike any they’ve seen before.

(Source: WEBTOONS)